package mtest3.day2;

public class Node {
    Object data; // 储存的实际数据
    Node next; // 指向下一个节点对象

    public Node() {
    }

    public Node(Object data) {
        this.data = data;
    }

    public Node(Object data, Node next) {
        this.data = data;
        this.next = next;
    }
}
